package com;

public class 练习 {
    public static void printArr(int[]arr){
        System.out.print("[");
        for (int i = 0; i <arr.length ; i++) {
            if(i==arr.length-1){
                System.out.print(arr[i]+"]");
            }
            else{
                System.out.print(arr[i]+",");
            }
            }

    }
    public static void main(String[] args){
        int arr[] ={11,22,33,44,55};
        printArr(arr);
}
}
